NHTSA ID Number: 10199859
Manufacturer Communication Number: No. 51-21
TSB/Document Date: 2021-08-04
Summary
List of approved wheels and tires for the 992 generation 911.
911 (992)
Manufacturer's Certificate
51/21
ENU
4400
4
Approved Wheels and Tires (51/21)
Revision:
This bulletin replaces bulletin Group 4 27/21, dated June 15, 2021.
Model Year:
As of 2020
Vehicle Type:
Type 992 (Coupé/Cabriolet): 911 Carrera/911 Carrera 4/911 Carrera S/911 Carrera
4S/911 Turbo/911 Turbo S/911 Targa 4/911 Targa 4S/911 Targa 4S Heritage Design Edition
Information:
Approval status: June 2021
Sizes:
Permissible tire and wheel sizes
(RO = rim offset in mm, FA = front axle, RA = rear axle)
Tire sizes
Wheel sizes
Snow
chains
911 Carrera/911 Carrera 4/911 Targa 4
Summer
19, 20-inch
FA: 235/40 ZR 19 (96Y) XL
RA: 295/35 ZR 20 (105Y) XL
19, 20-inch
FA: 235/40 ZR 19 (92Y)
RA: 295/35 ZR 20 (101Y)
20, 21-inch
FA: 245/35 ZR 20 (95Y) XL
RA: 305/30 ZR 21 (104Y) XL
20, 21-inch
FA: 245/35 ZR 20 (91Y)
RA: 305/30 ZR 21 (100Y)
FA: 8.5J x 19, RO 52
RA: 11.5J x 20, RO 67
No
FA: 8.5J x 20, RO 53
RA: 11.5J x 21, RO 67
AfterSales
Jul 23, 2021
Page 1 of 21
4
911 (992)
4400
ENU
Manufacturer's Certificate
51/21
Tire sizes
Wheel sizes
Snow
chains
911 Carrera/911 Carrera 4/911 Targa 4
Winter
Tire sizes
19, 20-inch
FA: 235/40 R 19 92V
RA: 295/35 R 20 101V
*)
19, 20-inch
FA: 235/40 R 19 96V XL
RA: 295/35 R 20 105V XL
*)
Wheel sizes
Snow
chains
FA: 8.5J x 19, RO 52
RA: 11J x 20, RO 66
RA only
20, 21-inch
FA: 245/35 R 20 95V XL
RA: 295/30 R 21 102V XL
FA: 8.5J x 20, RO 53
RA: 11J x 21, RO 66
Tire sizes
Wheel sizes
Snow
chains
911 Carrera S/911 Carrera 4S/911 Targa 4S/911 Targa 4S Heritage Design Edition
Summer
20, 21-inch
FA: 245/35 ZR 20 (95Y) XL
RA: 305/30 ZR 21 (104Y) XL
20, 21-inch
FA: 245/35 ZR 20 (91Y)
RA: 305/30 ZR 21 (100Y)
FA: 8.5J x 20, RO 53
RA: 11.5J x 21, RO 67
No
Winter
19, 20-inch
FA: 235/40 R 19 92V
RA: 295/35 R 20 101V
*)
19, 20-inch
FA: 235/40 R 19 96V XL
RA: 295/35 R 20 105V XL
*)
20, 21-inch
FA: 245/35 R 20 95V XL
RA: 295/30 R 21 102V XL
Jul 23, 2021
Page 2 of 21
FA: 8.5J x 19, RO 52
RA: 11J x 20, RO 66
RA only
FA: 8.5J x 20, RO 53
RA: 11J x 21, RO 66
AfterSales
911 (992)
Manufacturer's Certificate
Tire sizes
51/21
Wheel sizes
ENU
4400
4
Snow
chains
911 Turbo/911 Turbo S
Summer
20, 21-inch
FA: 255/35 ZR 20 (97Y) XL
RA: 315/30 ZR 21 (105Y) XL
20, 21-inch
FA: 255/35 ZR 20 (93Y)
RA: 315/30 ZR 21 (105Y) XL
20, 21-inch
FA: 255/35 ZR 20 (97Y) XL
RA: 315/30 ZR 21 (105Y) XL
20, 21-inch
FA: 255/35 ZR 20 (93Y)
RA: 315/30 ZR 21 (105Y) XL
FA: 9J x 20, RO 41
RA: 11.5J x 21, RO 67
No
FA: 9.5J x 20, RO 44
RA: 12J x 21, RO 70
No
FA: 8.5J x 20, RO 40
RA: 11J x 21, RO 66
RA only
Winter
20, 21-inch
FA: 245/35 R 20 95V XL
RA: 305/30 R 21 104V XL
*) Not for vehicles with Porsche
Ceramic Composite Brake (PCCB).
AfterSales
Jul 23, 2021
Page 3 of 21
4
911 (992)
4400
ENU
Manufacturer's Certificate
51/21
Overview of Porsche wheels for summer and winter tires
Identification on inside of wheel:
Wheel size, rim offset (RO) in mm, part number (without color code FFF) and Porsche logo
19-inch "Carrera 7" wheel
FA: 8.5J x 19, RO 52 (summer, winter)
Part No. 992.601.025_FFF
Carrera 7
20-inch "Carrera 7" wheel
RA: 11.5J x 20, RO 67 (summer)
Part No. 992.601.025.A_FFF
RA: 11J x 20, RO 66 (winter)
Part No. 992.601.025.B_FFF
Carrera 7
20-inch "Carrera S5" wheel
FA: 8.5J x 20, RO 53 (summer, winter)
Part No. 992.601.025.C_FFF (summer, winter)
Part No. 992.601.029.K_FFF (summer)
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.D_FFF (summer)
Part No. 992.601.029.L_FFF (summer)
RA: 11J x 21, RO 66 (winter)
Part No. 992.601.025.E_FFF (winter)
Carrera S5
Jul 23, 2021
Page 4 of 21
AfterSales
911 (992)
Manufacturer's Certificate
51/21
ENU
4400
4
20-inch "RS Spyder Design 2" wheel
FA: 8.5J x 20, RO 53 (summer)
Part No. 992.601.025.BB_FFF
RA: 11.5J x 21, RO 67
Part No. 992.601.025.G_FFF
RS Spyder Design 2
20-inch "Carrera Classic 3" wheel
FA: 8.5J x 20, RO 50 (summer)
Part No. 992.601.025.BC_FFF
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.J_FFF
or
FA: 8.5J x 20, RO 53 (summer)
Part No. 992.601.029.H_FFF
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.029.J_FFF
Carrera Classic 3
AfterSales
Jul 23, 2021
Page 5 of 21
4
911 (992)
4400
ENU
Manufacturer's Certificate
51/21
20-inch "Carrera Exclusive Design" wheel
FA: 8.5J x 20, RO 50 (summer)
Part No. 992.601.025.BE_FFF
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.L_FFF
or
FA/RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.BL_FFF
Carrera Exclusive Design
20-inch wheel "Turbo S 4"
FA: 9J x 20, RO 41 (summer)
Part No. 992.601.025.AS_FFF
FA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.AA_FFF
FA: 8.5J x 20, RO 40 (winter)
Part No.
Part No. 992.601.025.AB_FFF
FA: 8.5J x 20, RO 50 (summer, winter)
Part No. 992.601.025.AT
RA: 11J x 21, RO 66 (winter)
Turbo S 4
Part No. 992.601.025.AC_FFF
20-inch "Turbo Exclusive Design" wheel
FA: 9.5J x 20, RO 44 (summer)
Part No. 992.601.025.AE_FFF
or
Part No. 992.601.025.AF_FFF
or
RA: 12J x 21, RO 70 (summer)
Part No. 992.601.025.AJ_FFF
or
Part No. 992.601.025.AG_FFF
Turbo Exclusive Design
Jul 23, 2021
Page 6 of 21
AfterSales
911 (992)
Manufacturer's Certificate
51/21
ENU
4400
4
20-inch "Turbo S Exclusive Design" wheel
FA: 9.5J x 20, RO 44 (summer)
Part No. 992.601.025.AF_FFF
RA: 12J x 21, RO 70
Part No. 992.601.025.AG_FFF
Turbo S Exclusive Design
20-inch "Sport Classic II" wheel
FA: 9.5J x 20, RO 44 (summer)
Part No. 992.601.025.AP_FFF
FA: 12J x 21, RO 70 (summer)
Part No. 992.601.025.DQ__FFF
21-inch "Carrera S5" wheel
FA: 9J x 20, RO 41
Part No. 992.601.025.AR_FFF (summer)
or
FA: 8.5J x 20, RO 50
Part No. 992.601.025.R_FFF (summer)
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.N_FFF
or
Part No. 992.601.025.P_FFF (winter)
FA: 8.5J x 20, RO 40
RA: 11J x 21, RO 66 (winter)
Part No. 992.601.025.Q_FFF
Carrera S5
AfterSales
Jul 23, 2021
Page 7 of 21
4
911 (992)
4400
ENU
Manufacturer's Certificate
51/21
21-inch "RS Spyder Design 2" wheel
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.G_FFF
RS Spyder Design 2
21-inch "Carrera Classic 3" wheel
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.J_FFF
Carrera Classic 3
Jul 23, 2021
Page 8 of 21
AfterSales
911 (992)
Manufacturer's Certificate
51/21
ENU
4400
4
21-inch "Carrera Exclusive Design" wheel
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.L_FFF
Carrera Exclusive Design
21-inch wheel "Turbo S 4"
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.AA_FFF
RA: 11J x 21, RO 66 (winter)
Part No. 992.601.025.AC_FFF
Turbo S 4
21-inch "Turbo Exclusive Design" wheel
RA: 12J x 21, RO 70 (summer)
Part No. 992.601.025.AJ_FFF
Turbo Exclusive Design
AfterSales
Jul 23, 2021
Page 9 of 21
4
911 (992)
4400
ENU
Manufacturer's Certificate
51/21
21-inch "Turbo S Exclusive Design" wheel
RA: 12J x 21, RO 70 (summer)
Part No. 992.601.025.AG_FFF
Turbo S Exclusive Design
21-inch "Turbo 5" wheel
RA: 11.5J x 21, RO 67 (summer)
Part No. 992.601.025.N__FFF
RA: 11J x 21, RO 66 (winter)
Part No. 992.601.025.Q__FFF
Turbo 5
Information
Improper handling can damage the wheel surface.
Carry out tire removal and mounting using a bead holding-down device only.
Use a leather pad on the rim flange to support the valve insertion tool.
Only use the Porsche centering clamping set for balancing.
Do not use brushes to clean the wheels because brushes can cause deep scratches that cannot be
removed by polishing.
Never use solvents or other chemical substances on tires.
Wheel
Mounting:
using wheel bolts:
Tightening torque 160 Nm (118 ftlb.)
using central wheel lock:
Tightening torque 600 Nm (444 ftlb.)
Jul 23, 2021
Page 10 of 21
AfterSales
911 (992)
Manufacturer's Certificate
Summer Tires:
51/21
ENU
4400
4
Tire make and type/
label value (link to EU database)
Tire size
911 Carrera/911 Carrera 4/911 Targa 4
FA: 235/40 ZR 19 (96Y) XL
RA: 295/35 ZR 20 (105Y) XL
FA: 235/40 ZR 19 (92Y)
RA: 295/35 ZR 20 (101Y)
FA: 245/35 ZR 20 (95Y) XL
RA: 305/30 ZR 21 (104Y) XL
FA: 245/35 ZR 20 (91Y)
RA: 305/30 ZR 21 (100Y)
Michelin PilotSport 4S NA0
FA: https://eprel.ec.europa.eu/qr/413170
RA: https://eprel.ec.europa.eu/qr/410061
Pirelli P Zero NA0
FA: https://eprel.ec.europa.eu/qr/595483
RA: https://eprel.ec.europa.eu/qr/595482
Goodyear Eagle F1 Asymmetric3 NA0
FA: https://eprel.ec.europa.eu/qr/529603
RA: https://eprel.ec.europa.eu/qr/529604
Pirelli P Zero NA1
FA: https://eprel.ec.europa.eu/qr/596523
RA: https://eprel.ec.europa.eu/qr/596522
911 Carrera S/911 Carrera 4S/911 Targa 4S/911 Targa 4S Heritage Design Edition
FA: 245/35 ZR 20 (95Y) XL
RA: 305/30 ZR 21 (104Y) XL
- 【Perfect Emergency Repair Solution】This kit includes...
- 【Premium Materials for Safe Repairs】Our tire screw plugs...
- 【2 Sizes for Every Puncture】Choose the right size for...
- 【5-Minute DIY Repair】Skip the auto shop and fix flats...
- 【Emergency-Ready Design】Compact & ready for...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: No. 51-21
Replacement Service Bulletin Number:
MFR Communication Date: 2021-07-23
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: WHEELS
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS
, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations
- 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for Ford, for Lincoln, and for Mazda ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first
- Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
- OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
Last update on 2026-06-30 / Affiliate links / Images from Amazon Product Advertising API
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.